US3722471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toner meter device
Assignee: Individual
•
Filing: 1970-12-23
•
Granted: 1973-03-27
•
Expires: 1990-12-23
Abstract
Abstract A cartridge dispenses toner through a plurality of chutes mounted inside the cartridge. The chutes communicate with openings in the body of the cartridge permitting measured amounts of toner to pass therethrough upon rotation of the cartridge by a suitable drive means.
Inventors
- 👤 J Stoffel
- 👤 J Brock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:14
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/0822; G03G15/0865; G03G15/0867; G03G15/087; G03G15/0872; G03G15/0868; G03G2215/00; G03G2215/06; G03G2215/066; G03G2215/0663; G03G2215/0665; G03G2215/0675; G03G2215/0685; Y; Y10; Y10S; Y10S222/00; Y10S222/01
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
147 words
A toner dispenser comprising: an enclosed container adapted to hold a quantity of toner material therein said container having two end portions and a body portion having means defining openings along one surface, one of said end portions being a removable cap having gear moldings about its periphery and adapted to cover one end of said body portion for permitting replenishment of said toner within said container, the other end portion of said container being integral with said body portion, said body portion having a plurality of inner separate chutes communicating with said openings in said body portion, one of the walls of said chutes having an opening remote from the opening in said body portion, and drive means connectable to said gear molded cap end portion for rotating said container whereby a metered amount of toner is collected in said chutes and emitted from said cartridge.
Claim 2
Dependent Claim
147 words
A toner dispenser comprising: an enclosed container adapted to hold a quantity of toner material therein said container having two end portions and a body portion having means defining openings along one surface, one of said end portions being a removable cap having gear moldings about its periphery and adapted to cover one end of said body portion for permitting replenishment of said toner within said container, the other end portion of said container being integral with said body portion, said body portion having a plurality of inner separate chutes communicating with said openings in said body portion, one of the walls of said chutes having an opening remote from the opening in said body portion, and drive means connectable to said gear molded cap end portion for rotating said container whereby a metered amount of toner is collected in said chutes and emitted from said cartridge.
Claim 3
Dependent Claim
124 words
In a developer system having a housing containing a quantity of toner, a donor roller for triboelectrically transferring the toner to a fibrous member for application to a charged surface for development thereof and having a toner dispenser comprising: a cartridge adapted to hold a quantity of toner, said cartridge having a body portion enclosed by two end portions, said body portion having at least one opening on its surface, at least one chute inside said cartridge, said chute communicating with the opening in the surface of said cartridge, one of said chute walls having an opening at the end remote from said body opening whereby a metered amount of toner is collected and emitted from said body opening upon rotation of said cartridge.
Claim 4
Dependent Claim
124 words
In a developer system having a housing containing a quantity of toner, a donor roller for triboelectrically transferring the toner to a fibrous member for application to a charged surface for development thereof and having a toner dispenser comprising: a cartridge adapted to hold a quantity of toner, said cartridge having a body portion enclosed by two end portions, said body portion having at least one opening on its surface, at least one chute inside said cartridge, said chute communicating with the opening in the surface of said cartridge, one of said chute walls having an opening at the end remote from said body opening whereby a metered amount of toner is collected and emitted from said body opening upon rotation of said cartridge.
Claim 5
Dependent Claim
31 words
The apparatus of claim 2 including means calibrated to rotate said cartridge to dispense a metered amount of toner in accordance with the amount of toner consumed by said developer system.
Claim 6
Dependent Claim
122 words
Apparatus adapted to dispense a metered amount of granular material comprising: an enclosed container adapted to hold a quantity of granular material, said container having at least one opening in its surface and also having at least one inner chute adapted to contain said metered amount of granular material, said chute comprising a plurality of walls fixedly attached to said sUrface and having two apertures, the first of said apertures communicating with the interior of said container and the second of said apertures communicating with the opening in said container, and means for rotating said container whereby said metered amount of said granular material is collected in said chute through said first aperture and emitted from said container through said second aperture.
Claim 7
Dependent Claim
122 words
Apparatus adapted to dispense a metered amount of granular material comprising: an enclosed container adapted to hold a quantity of granular material, said container having at least one opening in its surface and also having at least one inner chute adapted to contain said metered amount of granular material, said chute comprising a plurality of walls fixedly attached to said sUrface and having two apertures, the first of said apertures communicating with the interior of said container and the second of said apertures communicating with the opening in said container, and means for rotating said container whereby said metered amount of said granular material is collected in said chute through said first aperture and emitted from said container through said second aperture.
References Cited (Backward Citations)
US2732775A
Cited
US1270262A
Cited
US1723211A
Cited
US1815321A
Cited
US3318213A
Cited
US3337072A
Cited
US3339807A
Cited
US3349750A
Cited
US3570557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |